Inheritance

Riddle:

A man left an inheritance of $10,000 to three relatives and their wives. Together the wives received $3960. Janet received $100 more than Carol, and Mary received $100 more than Janet. John received the same amount as his wife, Harold got half as much again as his wife, and Tom received twice as much as his wife.

How much did each receive?

Answer:

Carol, Janet and Mary received $1220, $1320, and $1420 respectively. John received the same as his wife Carol, $1220. Harold received half again what his wife Janet did, $1980. Tom got twice as much as his wife Mary, $2840.